Notebook[List[Cell[BoxData[FormBox[RowBox[List[StyleBox["Precision", Rule[FontSlant, "Plain"]], "=", FractionBox[StyleBox[RowBox[List["Number", "   ", "of", "   ", "True", "   ", "Positives"]], Rule[FontSlant, "Plain"]], StyleBox[RowBox[List[RowBox[List["Number", "   ", "of", "   ", "True", "   ", "Positives"]], "+", RowBox[List["Number", "   ", "of", "   ", "False", "   ", "Positives"]]]], Rule[FontSlant, "Plain"]]]]], TraditionalForm]], "Input"]]]